volatile compounds Learn more about volatile compounds
-
Flavor Profile of Yunnan Coffee Beans_Research Report on Yunnan Coffee Bean Flavors_How is Yunnan Arabica Coffee
Professional coffee knowledge exchange For more coffee bean information please follow Coffee Workshop (WeChat public account: cafe_style) Thanks to Professor Qiao from Shenzhen Polytechnic for recommending an article from the Chinese Journal of Tropical Crops regarding a research report on Yunnan coffee bean flavors. After reading this article, we found it very interesting and are sharing the core ideas with everyone. ●This report focuses on four regions in Yunnan
2018-09-12 Yunnan coffee beans flavor profile research report Arabica coffee how is -
What Products are Generated by the Caramelization Reaction During Roasting? What Happens When Caramelization is Excessive or Insufficient?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee briefly explains the caramelization reaction during roasting. The sugars in coffee beans undergo caramelization reaction at approximately 170-200°C, which coincides with the melting point of sucrose (185°C) and the temperature range during the first crack phase of coffee bean roasting. The products of the caramelization reaction include various compounds that contribute to the aroma, flavor, and color development in coffee beans. When caramelization is insufficient, the coffee may lack sweetness and complexity, while excessive caramelization can lead to bitter, burnt flavors that mask the coffee's inherent characteristics.
2019-12-17 roasting caramelization reaction products excessive insufficient professional -
Introduction to Arabica Coffee Bean Origin Characteristics and the Substances Behind Coffee's Aroma
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee - Arabica varieties and aromatic components overview. I. Types of Coffee: Coffee beans can be broadly divided into three main categories: (1) Arabica coffee trees, (2) Robusta coffee trees, and (3) Liberica coffee trees.
2020-02-01 Arabica coffee beans origin characteristics introduction substances aroma reasons -
The Origin of Coffee Bean Aroma: Understanding the Compounds Behind Coffee's Fragrance
Professional coffee knowledge exchange and more coffee bean information. Please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee - Introduction to Coffee Bean Flavor Compounds. Non-volatile substances in coffee include: alkaloids (caffeine and trigonelline), chlorogenic acids, carboxylic acids, carbohydrates and polysaccharides, lipids, proteins, melanoidins, and minerals. Caffeine: It is water-soluble and will affect
2020-02-17 coffee beans aroma fragrance compounds substances coffee chemistry volatile compounds flavor molecules -
Is the Coffee Cupping Flavor Wheel Just a Reference? The Science and Engineering Behind the New Version of the Coffee Flavor Wheel
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat official account cafe_style) FrontStreet Coffee - Introduction to the Coffee Flavor Wheel The Coffee Flavor Wheel was created in 1995 by Mr. TED LINGLE, former president of the Specialty Coffee Association of America, and others. The birth of the Coffee Flavor Wheel was to use a common language that everyone could understand in a way that all people could comprehend
2020-02-06 coffee cupping flavor just a reference new version coffee wheel behind science -
Where Does Coffee's Rich Aroma Come From, and Why Does Specialty Coffee Smell More Aromatic Than It Tastes
Many times, when brewing coffee and conducting cupping at FrontStreet Coffee's factory, you'll feel the air filled with rich floral and fruity aromas, or perhaps caramel, sucrose, honey fragrances, etc., with aromas wafting everywhere. Yet when a hot cup of coffee enters your mouth, it doesn't have that wonderful sensation you smelled - to put it directly, it's simply not as aromatic as it smells. To unravel this mystery, one must
2021-07-07 coffee rich aroma source specialty why smell better than taste many times at FrontStreet Coffee -
The Impact of Temperature on Coffee: How to Experience Coffee Flavors at High Temperatures and When Cooled
Have you ever experienced getting a cup of hot coffee, only to find that its flavor and aroma change as it cools? When this happens, you might start tasting delicate flavors and aromas that you couldn't detect before. You might discover that your coffee now has distinct sweetness, fruity notes, or floral fragrances. This change in flavor is attributed to
2025-07-21 temperature coffee impact how to experience flavor aroma high temperature mild cooling -
Why Doesn't Coffee Taste as Good as It Smells? The Nature of Coffee Aroma and Fragrance Compounds
When we walk into a coffee shop, we're easily captivated by the rich aroma of coffee permeating the air. Especially when coffee beans are being ground, the intoxicating fragrance fills the space, making our hearts race and compelling us to eagerly order a cup to experience coffee's magnificent aroma. However!!! The moment the coffee touches our lips???????? What is this?
2023-07-25 coffee aroma fragrance compounds taste versus smell coffee chemistry -
What are the Essentials of Coffee Bean Roasting Various Roasting Methods for Coffee Beans
When purchasing roasted coffee beans, you'll notice the coffee's color and shape. If the beans are full and have uniform color, this indicates properly roasted, high-quality coffee. Additionally, after some time, oils will appear on the surface of the beans. However, don't forget that even fresh coffee beans will develop surface oils after dark roasting. When we talk about coffee roasting (
2021-05-28 coffee beans roasting what essentials buy roasted notice -
Why doesn't coffee taste as good when it gets cold? How long should you drink it? What's the difference between hot and cold?
When a cup of hot coffee cools down, flavors like acidity and bitterness become amplified, making the entire coffee difficult to drink (not as enjoyable), which is why people generally believe coffee shouldn't sit for too long. Many friends wonder: if it can't sit for long, when is the best time to finish a cup of coffee? To understand coffee's
2024-01-25 coffee temperature coffee taste hot coffee cold coffee coffee flavor -
What Are the Fruity Aromas in Coffee and Why Does Coffee Smell So Good: Chemical Reactions During Roasting
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee - Brief Introduction to Coffee Flavor Sources. Aroma is an extremely important quality attribute in specialty coffee. Changes in aroma components include the dissipation of certain volatile compounds, but also the formation of others. Although the most appropriate and direct method to measure freshness is to examine...
2020-02-20 coffee fruity aromas fragrance chemical reactions roasting specialty coffee flavor compounds -
Is Coffee Flavor the Same as the Aroma of Ground Coffee Beans? How to Describe Coffee Taste
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). Introduction: Recently, FrontStreet Coffee's barista was asked by a customer during a conversation: Is coffee flavor the same as coffee aroma? Why can't I smell the flavors described in the tasting notes? Previously, FrontStreet Coffee's article discussed how to improve your judgment of coffee taste. This article continues from the previous one,
2021-05-11 coffee flavor ground coffee beans aroma taste description -
What Aromas Do Coffee Beans Have and Why - The Source of Coffee Bean Aroma is a Complex Chemical Reaction
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account cafe_style). FrontStreet Coffee - Introduction to Coffee Aroma Sources. Aroma, flavor, aftertaste, acidity, and body - these five attributes are all created by the collision of different compounds. At the cupping table, the tastes and aromas we analyze with our senses are also the result of chemical compounds. We first smell the dry aroma.
2020-02-20 coffee beans aromas why source complex chemical reaction professional coffee -
What Is Coffee Bean Aroma? How to Describe Coffee Aroma and Its Relationship with Flavor and Acidity
At the most basic level, aroma is the fragrance of coffee. It's the cause of many flavor attributes (sweet, salty, bitter, sour, and umami) that the tongue cannot directly perceive. Due to advancements in testing equipment, more than 800 aromatic compounds have been identified in coffee, with new ones being discovered regularly. Coffee's aroma is also known as its fragrance or bouquet, distinguishing it from coffee's aftertaste in coffee terminology.
2021-07-17 what coffee bean aroma coffee how describe flavor acidity between relationship -
How Beginners Can Appreciate Coffee Flavors - Coffee Tasting and Description Methods
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat official account: cafe_style) FrontStreet Coffee - Coffee Tasting Steps Introduction Tasting the overall flavor of coffee can be summarized in six steps. Step 1: Grind coffee beans and enjoy the dry aroma The first step in flavor appreciation begins with grinding coffee beans. Coffee beans release a large amount of volatile aromatic compounds when ground, and at this time you can
2020-02-20 beginners how to appreciate coffee flavors tasting description methods guide -
How Long is the Resting Period for Single-Origin Coffee Beans? How to Brew Pour-Over Coffee That's Too Fresh?
When it comes to roasted coffee beans, the freshness that FrontStreet Coffee refers to is the time elapsed after roasting. In other words, freshly roasted coffee beans are at their peak freshness, and as time passes, the freshness of coffee beans gradually diminishes. After two months, the flavor characteristics of most coffee beans have nearly completely faded,
2022-08-06 coffee beans resting period pour-over coffee freshness single-origin coffee coffee brewing -
Five Culprits That Kill Fresh Coffee Beans! Taobao Store Brand Recommendations for Fresh Coffee Beans
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat public account cafe_style) The main culprit that destroys coffee freshness: ● Oxidation: The number one killer of fresh coffee beans After fruits are cut, they easily suffer from oxidation; similarly, coffee easily oxidizes after roasting. During roasting, large amounts of carbon dioxide are produced inside the coffee, which
2018-09-09 five fresh coffee beans culprits understand taobao store brand recommendations -
What is Coffee Bean Degassing and How to Do It? How Long is the Optimal Flavor Period for Coffee Beans?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee - Brief Introduction to Coffee Bean Degassing and Flavor Period: Two days after roasting, the beans have released carbon dioxide and other volatile gases. Next comes the rather tricky problem: we need to put them into the coffee grinder, while the chemical properties of the beans change every moment
2020-02-04 coffee degassing period what meaning how coffee beans optimal flavor period how long -
Why Does Coffee Smell Better Than It Tastes? What Are the Main Sources of Coffee Aroma?
You may not like drinking coffee, but you can't resist its aroma. Sometimes customers who have never tried single origin coffee come to the store wanting to try it. Through FrontStreet Coffee's observations and customer feedback, compared to tasting the coffee's flavor, they prefer the dry fragrance of freshly ground coffee and the wet aroma of brewed coffee. Most
2025-05-15 coffee aroma coffee fragrance smell vs taste FrontStreet Coffee single origin coffee -
How Long Do Freshly Ground Coffee Beans Last_ Where to Buy Fresh Coffee Grounds_ Shelf Life of Freshly Ground Coffee
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). If you've purchased fresh coffee beans, you can definitely smell their aroma when opening the package. However, the moment you smell the coffee fragrance, it indicates that it's evaporating, and the essence within the coffee is diminishing. If the coffee diameter is reduced by half, then the volume of individual particles decreases by 1/8
2018-09-20 freshly ground coffee grounds how long where buy fresh shelf life professional coffee knowledge exchange